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Evenia permica
Taxonomy
Posidonia permica was named by Newell (1955). It is a 3D body fossil. Its type locality is Fiskeelv Ma52, Southern Clavering Ø, which is in a Wuchiapingian marine siliciclastic in the Ravnefjeld Formation of Greenland.
It was recombined as Atomodesma permica by Muromtseva (1981), Muromtseva and Guskov (1984); it was recombined as Evenia permica by Biakov (2008).
It was recombined as Atomodesma permica by Muromtseva (1981), Muromtseva and Guskov (1984); it was recombined as Evenia permica by Biakov (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Posidonia permica Newell p. 21 figs. Pl 2, figs 5,6 |
| 1981 | Atomodesma permica Muromtseva p. 32 figs. Pl 8, figs 4-7; pl 11, fig 4 |
| 1984 | Atomodesma permica Muromtseva and Guskov p. 47 figs. Pl 7, figs 1,4,5,8; pl 9, figs 2-8,10; pl 12, fig 6; pl 17, fig 6; pl 20, fig 3; pl 22, fig 3 |
| 2008 | Evenia permica Biakov p. 237 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Evenia permica Newell 1955
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 6 | 27.6 | 18.5 | 72.0 | 23.9 | 20.3 |
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 279.30000 to 252.17000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Russian Federation | Atomodesma permica (109944 109945 113992 114124) | |
| Roadian | Russian Federation | Atomodesma permica (87301) | |
| Capitanian | Russian Federation | Atomodesma permica (114135) | |
| Wuchiapingian | Russian Federation | Atomodesma permica (97376 113982 113984) | |
| Wuchiapingian | Russian Federation (Sakha) | Atomodesma permica (113983) | |
| Wuchiapingian | Greenland | Posidonia permica (115893 115894 type locality: 115916 115917) | |
| Changhsingian | Russian Federation | Atomodesma permica (131245) |